Cardwell, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cardwell, a community in Jefferson County, Montana.
Today
79°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 79. East northeast wind 1 to 6 mph.
7-day forecast for Cardwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Smoke | 1 to 6 mph ENE | 0% |
| Tonight | 47°F | Patchy Smoke | 1 to 5 mph NE | 1% |
| Wednesday | 87°F | Patchy Smoke | 5 mph WSW | 0% |
| Wednesday Night | 50°F | Patchy Smoke then Mostly Clear | 2 to 6 mph W | 0% |
| Thursday | 95°F | Sunny | 2 to 8 mph W | 0% |
| Thursday Night | 55°F | Mostly Clear | 1 to 8 mph WNW | 0% |
| Friday | 99°F | Sunny | 2 to 18 mph WSW | 1% |
| Friday Night | 56°F | Mostly Clear | 6 to 18 mph WNW | 0% |
| Saturday | 96°F | Sunny | 2 to 13 mph WSW | 1% |
| Saturday Night | 56°F | Mostly Clear | 2 to 13 mph NW | 2% |
| Sunday | 94°F | Sunny | 1 to 7 mph NNE | 2% |
| Sunday Night | 54°F | Mostly Clear | 3 to 10 mph NNW | 2% |
| Monday | 92°F | Sunny | 2 to 7 mph NE | 2% |
| Monday Night | 54°F | Partly Cloudy | 3 to 8 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Cardwell (45.865, -111.964). Updated through the day.
Growing snapshot for Cardwell
Last spring frost
May 9
First fall frost
Sep 27
Growing season
139 days
Hardiness zone
5a
More local growing data for Cardwell: nearby ZIP 59721 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Trident, Mt (19.7 mi from Cardwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.